            &\multicolumn{1}{c}{30 Days}&\multicolumn{1}{c}{60 Days}&\multicolumn{1}{c}{90 Days}&\multicolumn{1}{c}{120 Days}\\
\hline
\raisebox{-2.3mm}[0mm][0mm]{$\hat{\beta}$}&       0.097   &       0.394   &       0.498   &       0.498   \\
            &     (0.281)   &     (0.312)   &     (0.330)   &     (0.333)   \\
\it{p-value}&     [0.729]   &     [0.206]   &     [0.131]   &     [0.135]   \\
\it{h}      &       0.016   &       0.014   &       0.013   &       0.014   \\
Obs.        &      40,763   &      40,763   &      40,763   &      40,763   \\
\hline\\[-3mm]&\multicolumn{4}{c}{E-Procurement}\\
            &\multicolumn{1}{c}{30 Days}&\multicolumn{1}{c}{60 Days}&\multicolumn{1}{c}{90 Days}&\multicolumn{1}{c}{120 Days}\\
\hline
\raisebox{-2.3mm}[0mm][0mm]{$\hat{\beta}$}&      -0.160   &       0.340   &       0.927*  &       0.922*  \\
            &     (0.395)   &     (0.454)   &     (0.517)   &     (0.538)   \\
\it{p-value}&     [0.686]   &     [0.454]   &     [0.073]   &     [0.087]   \\
\it{h}      &       0.026   &       0.026   &       0.020   &       0.021   \\
Obs.        &      18,863   &      18,863   &      18,863   &      18,863   \\
\hline\\[-3mm]&\multicolumn{4}{c}{Paper Based}\\
            &\multicolumn{1}{c}{30 Days}&\multicolumn{1}{c}{60 Days}&\multicolumn{1}{c}{90 Days}&\multicolumn{1}{c}{120 Days}\\
\hline
\raisebox{-2.3mm}[0mm][0mm]{$\hat{\beta}$}&       0.133   &       0.234   &       0.210   &       0.167   \\
            &     (0.303)   &     (0.329)   &     (0.352)   &     (0.365)   \\
\it{p-value}&     [0.661]   &     [0.478]   &     [0.551]   &     [0.648]   \\
\it{h}      &       0.021   &       0.020   &       0.017   &       0.017   \\
Obs.        &      21,895   &      21,895   &      21,895   &      21,895   \\
